The best welding procedure. the mechanical property, the microstructure and residual stress level of tube-tubeplate welding joints were presented as well.
并对管子管板焊缝的力学行为、显微组织及应力进行了评论。
Radiographic examination was performed with portable X-ray fault detector appling the special radiographic technique for fillet weld of heat exchange tube-tubeplate.
用普通便携式X射线机，采用特殊的透照技术，对换热管与管板角焊缝进行射线检测。
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